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+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
+  <!ENTITY % general-entities SYSTEM "../general.ent">
+  %general-entities;
+]>
+<sect1 id="ch-tools-flex" xreflabel="Flex">
+<title>Flex-&flex-version;</title>
+<?dbhtml filename="flex.html"?>
+
+<indexterm zone="ch-tools-flex">
+<primary sortas="a-Flex">Flex</primary>
+<secondary>tools</secondary></indexterm>
+
+<xi:include xmlns:xi="http://www.w3.org/2003/XInclude" href="../chapter06/flex.xml" xpointer="xpointer(/sect1/para[1])"/>
+
+<screen>&buildtime; 0.6 SBU
+&diskspace; 10.6 MB</screen>
+
+<xi:include xmlns:xi="http://www.w3.org/2003/XInclude" href="../chapter06/flex.xml" xpointer="xpointer(/sect1/para[2])"/>
+
+
+<sect2>
+<title>Installation of Bison</title>
+
+<para>Flex contains several known bugs. Fix these with the following patch:</para>
+
+<screen><userinput>patch -Np1 -i ../flex-&flex-version;-debian-fixes-2.patch</userinput></screen>
+
+<para>The GNU autotools detects that the Flex source code has been modified by
+the patch, and tries to update the man pages to include those changes, but this
+breaks on many systems, and the default pages are fine, so make sure they don't
+get renegerated:</para>
+
+<screen><userinput>touch doc/*.1</userinput></screen>
+
+<para>Now prepare Flex for compilation:</para>
+
+<screen><userinput>./configure --prefix=/tools</userinput></screen>
+
+<para>Compile the package:</para>
+
+<screen><userinput>make</userinput></screen>
+
+<para>To test the results, issue:
+<userinput>make check</userinput>.</para>
+
+<para>Now install the package:</para>
+
+<screen><userinput>make install</userinput></screen>
+
+</sect2>
+
+<sect2><title> </title><para> </para>
+<para>The details on this package are found in <xref linkend="contents-flex"/>.</para>
+<para> </para></sect2>
+
+</sect1>